President Donald Trump has announce a decision on Tuesday to pull out of the Iran nuclear accord.
Trump says that if he allowed the deal to stand, there would soon be a nuclear arms race.
He also says a constructive deal could easily have been struck at the time, but it wasn't.
With files from the Associated Press
Aaron David Miller, Vice President for New Initiatives at the Wilson Center, a Washington-based non-partisan policy forum that tackles global issues through independent research; he is a former advisor to Republican and Democratic Secretaries of State on Arab-Israeli negotiations, 1978-2003; he tweets @aarondmiller2
Danielle Pletka, senior vice president for foreign and defense policy studies at the American Enterprise Institute, a Washington-based conservative public policy research institute; she tweets @dpletka
Suzanne Maloney, senior fellow at the Center for Middle East Policy at the Brookings Institution, a Washington-based non-profit public policy think tank; she is the author of multiple books on Iran, including “Iran’s Political Economy since the Revolution” (Cambridge University Press, 2015); she tweets @MaloneySuzanne